CN207908342U - A kind of integration sphere light source system - Google Patents
A kind of integration sphere light source system Download PDFInfo
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- CN207908342U CN207908342U CN201721699938.2U CN201721699938U CN207908342U CN 207908342 U CN207908342 U CN 207908342U CN 201721699938 U CN201721699938 U CN 201721699938U CN 207908342 U CN207908342 U CN 207908342U
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Abstract
The utility model discloses a kind of integration sphere light source systems, including light supply apparatus, integrating sphere device, linkage, sample rack moving device and input light detection device, light supply apparatus includes light source, semi-transparent semi-reflecting lens and total reflection mirror, after the light that light source is sent out passes through semi-transparent semi-reflecting lens, it is divided into two-beam, two-beam respectively enters input light detection device and input hole under the action of total reflection mirror；Input light detection device includes the input optical detector of semi-transparent semi-reflecting lens and detection through the light of semi-transparent semi-reflecting lens.The integration sphere light source system of the utility model, design is simple, saves testing time and cost, and test system can be automatically configured in reflectivity and transmission measurement mode transition procedure.
Description
Technical field
The utility model belongs to optical testing art, is specifically related to a kind of integration sphere light source system.
Background technology
Existing test transmits, the mode of reflectivity is after preparing sample, sample to be taken out from solution, is loaded into survey
It is tested on examination instrument, there is the process for shifting sample, especially testing some reaction time to sample transmitance, reflectivity shadow
In loud experiment, the sample for first preparing the differential responses time is needed, then tested.Reaction time different same a series of samples
It needs to prepare multiple, causes to waste sample preparation time and reagent cost.And there may be reagent product between different samples
Matter, dosage and the sample difference of itself make the uncertain of experiment increase.
Application No. is 201310498479.1 patent of invention disclose it is a kind of for optical system eyeglass transmitance and anti-
The new system of rate detection is penetrated, its working principle is that, the light that white light source is sent out enters in monochromator, the monochromatic spectrum warp of outgoing
Spherical reflector forms directional light, is divided and modulates by rotating mirror, and continuous light radiation is divided into two-way alternation light pulse, and one
Road, which is used as, refers to light beam, and another way couples injection fibre as measuring beam, using condenser.Two-beam alternately enters integral
Ball converts the alternate electrical signal that output two-way alternately changes through detector, this signal turns by signal sorting, locking phase amplification, A/D
After changing processing, the white light of test item or the transmitance of spectrum and reflectivity are finally obtained.But in the test system, test specimens
Product are placed in integrating sphere, and which limits the states of sample, are not easy to test liquid sample.In addition, in the test system
Without containing shading accessory, in order to exclude the influence of ambient light, need to use in darkroom or in camera bellows, and the detecting system
The quantity of integrating sphere and detector is more, can bring the rising of cost.
In addition, existing integrating sphere module, such as Hitachi's UV4100 sub-ray spectrometers, after testing transmitance, test
It needs to open cover before reflectivity, sample is loaded into another optical port of integrating sphere.Since sample is consolidated in testing twice
Determine mode and position is different, it is therefore desirable to it is additional to increase a sample installation and adjustment setup time, cause sample to shift
Cheng Zhong, installation sample, adjustment configuration take.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of designs simply, testing time and cost is saved, anti-
The integration sphere light source system of test system can be automatically configured by penetrating in rate and transmission measurement mode transition procedure, and be provided easy to operate
Test method.
Integration sphere light source system provided by the utility model, including light supply apparatus, integrating sphere device, linkage, specimen holder move
Dynamic device and input light detection device；
The integrating sphere device includes ontology and standard white plate I, and body interior is provided with spherical hollow space, further includes that setting exists
The extraneous input hole, instrument connection and the delivery outlet for being equipped with output optical detector with spherical hollow space of connection on ontology；
The linkage includes the guide rail I of the transmission axis connection of motor and motor, the connecting rod being fixed on guide rail I
And the barn door for blocking instrument connection, blank frame I is provided on the guide rail I, and standard white plate I is installed on blank frame I；
The transmission shaft drives guide rail I to move by trunnion axis or worm gear drive, while guide rail I moves, drives I He of standard white plate
Barn door moves, this partly belongs to the prior art.The barn door is preferably provided in connecting rod.
When I blow-by input hole of standard white plate, barn door blocks instrument connection, and light cannot pass through instrument connection to enter from the external world
Spherical hollow space；When standard white plate I seals input hole, barn door does not block instrument connection, and light passes through instrument connection into goal from the external world
Shape cavity；Standard white plate I seals input hole and means standard white plate I positioned at when inputting hole site, and standard white plate I becomes spherical shape
A part for the inner wall of cavity.Barn door blocks instrument connection and means, light is blocked by barn door, cannot be irradiated to test
Hole.
The utility model is preferably directly linked the position of barn door and standard white plate I, adjusts standard white plate I
Moving processes and barn door height, can very easily realize above-mentioned purpose.
The sample rack moving device includes the transmission axis connection of motor and motor between barn door and instrument connection
Guide rail II and the blank frame II and specimen holder that are arranged on guide rail II, the blank frame II standard white plate II is installed.
Preferably, the input light detection device includes the light of semi-transparent semi-reflecting lens and detection through semi-transparent semi-reflecting lens
Input optical detector, the light intensity for detecting input light.
Preferably, the light supply apparatus includes light source, semi-transparent semi-reflecting lens and total reflection mirror, and the light that the light source is sent out passes through
After semi-transparent semi-reflecting lens, it is divided into two-beam, two-beam respectively enters input light detection device and integral under the action of total reflection mirror
Ball device is exactly to enter the light intensity of the light in integrating sphere device to ensure to input the light intensity that light detection device detects.
Preferably, the outer surface of the ontology is provided with the plane slided for standard white plate I, and the input hole is located at above-mentioned
In plane.Standard white plate I is located on standard white grillage, and standard white grillage can there are many shapes, for example outer surface is spherical surface, interior
Side is the shape of plane, and ontology combines and just constitute sphere or rectangle, etc..It is preferably set in the plane
It is equipped with the groove slided for standard white plate I.
When integrating sphere device works normally, delivery outlet 43 is in topmost, when instrument connection 42 is in right end, input hole 41
Positioned at the left-half and non-face instrument connection of integrating sphere device, axis and the company of the centre of sphere of input hole 41 and spherical hollow space are connected
It is 5-80 ° to connect the angle between the axis of the centre of sphere of instrument connection 42 and spherical hollow space, preferably 10-30 °.
Preferably, the face that the centre of sphere of input hole 41, instrument connection 42 and spherical hollow space is constituted is horizontal plane or input hole
41, the face that the centre of sphere of instrument connection 42 and spherical hollow space is constituted is the vertical plane perpendicular to horizontal plane.
When in reflectance test pattern, standard white plate I does not block input hole, and barn door blocks instrument connection；When in
When transmission measurement pattern, standard white plate I blocks input hole, and barn door does not block instrument connection.
Preferably, the aperture of the input hole and instrument connection is 5~8mm.
Preferably, the material of the ontology is aluminium, ceramics or copper.
Preferably, the material coated on the inner wall of the spherical hollow space is magnesia or barium sulfate.
The test method of integration sphere light source system described in the utility model is to test the reflectivity of sample to be tested, including two walk
Suddenly, background testing is first carried out, then carries out sample test：
A background testings：Start motor, so that standard white plate I is not blocked input hole, barn door blocks instrument connection, standard white plate
II is located at instrument connection, and the light that light supply apparatus is sent out passes through input hole, is projected from delivery outlet, context parameter B=I is calculated1b/
I2b, I1b、I2bThe light intensity that respectively output optical detector and input light detection device detect；
B sample tests：Sample is placed in specimen holder, starts motor, sample is made to be located at instrument connection, what light supply apparatus was sent out
Light passes through input hole, is projected from delivery outlet, the reflectivity R=(I of sample are calculated1/I2)/B=(I1/I2)/(I1b/I2b),
I1、I2The light intensity that respectively output optical detector and input light detection device detect.
The test method of integration sphere light source system described in the utility model can also be the transmitance of test sample to be tested, including
Two steps first carry out background testing, then carry out sample test：
A background testings：Specimen holder does not place sample, starts motor, so that standard white plate I is located at input hole, barn door is not
Instrument connection is blocked, specimen holder is located at instrument connection, and the light that light supply apparatus is sent out passes through instrument connection, projects, calculates from delivery outlet
To context parameter B=I1b/I2b, I1b、I2bThe light intensity that respectively output optical detector and input light detection device detect；
B sample tests：Specimen holder places sample, starts motor, so that sample is located at instrument connection, the light that light supply apparatus is sent out
By instrument connection, is projected from delivery outlet, the transmitance T=(I of sample are calculated1/I2)/B=(I1/I2)/(I1b/I2b), I1、
I2The light intensity that respectively output optical detector and input light detection device detect.
The utility model has the beneficial effects that：
It (1), can be in reflectance test pattern and transmission measurement mould by the way that linkage and sample rack moving device is arranged
Automatic quickly switching between formula, configures without reinstalling sample and adjustment, saves testing time and cost.
(2) by the way that linkage and sample rack moving device is arranged, whole device modularization can be made, light path is facilitated to build.
(3) pass through the integrating sphere equipped with oblique input hole so that without adjusting the angle of sample when conversion testing pattern, save
Testing time.
(4) linkage connects guide rail I and barn door, makes keeping strokes for barn door and standard white plate I, entirely
Linkage integration, it is possible to reduce number of motors, it is ingenious in design reasonable.
(5) standard white plate I and standard white plate II are the arc with integrating sphere device Ontology Matching, the inner wall material of arcwall face
Matter is identical as the inner wall material of integrating sphere device ontology, the material and integrating sphere device of standard white grillage I and standard white grillage II
Base material material it is identical, arcwall face inner wall and inner body wall constitute complete spherical surface, and such structure design can make saturating
When crossing rate test pattern, the distribution of body interior light is more uniform, helps to improve the accuracy of test.
(6) angle of axis and horizontal plane that the centre of sphere of input hole and spherical hollow space is connected in the utility model is 5-80 °,
Preferably 10-30 °, compared with when angle is 0 °, sample surfaces, part light are impinged perpendicularly on since angle is equivalent to light for 0 °
Line can cause the test result of reflectivity to have deviation along backtracking, especially for the higher sample of specular reflectivity, this
Kind of deviation will be quite big, therefore when testing reflectivity, needs light is oblique to be at an angle mapped to sample surfaces, and this reality
Oblique perforation is carried with the integrating sphere in novel, therefore when building optical system for testing or placing sample, without taking in addition
Measure, realize the optimization of device, save human resources.
Description of the drawings
Fig. 1 is the structural schematic diagram of the integration sphere light source system of the utility model.
Fig. 2 is the sectional view of the ontology of the utility model.
Fig. 3 is the structural schematic diagram of the input hole of the utility model.
Fig. 4 is the structural schematic diagram of the ontology and standard white plate I of the utility model.
Fig. 5 is the structural schematic diagram of the ontology and standard white plate I of the utility model.
Fig. 6 is the structural schematic diagram of the shell of the integration sphere light source system of the utility model.
Fig. 7 is structural schematic diagram of the utility model under the background testing pattern of reflectivity.
Fig. 8 is structural schematic diagram of the utility model under the sample test pattern of reflectivity.
Fig. 9 is structural schematic diagram of the utility model under the background testing pattern of transmitance.
Figure 10 is structural schematic diagram of the utility model under the sample test pattern of transmitance.
Figure 11 is the structural schematic diagram of the light supply apparatus of the utility model.
Figure 12 is a kind of three-dimensional structure diagram of the integrating sphere device of the utility model.
Figure 13 is the cross-sectional cut-away structural schematic diagram of Figure 12.
Figure 14 is another dimensional structure diagram of the integrating sphere device of the utility model.
Figure 15 is the vertical section schematic cross-sectional view of Figure 14.
1 light inlet I, 2 speculums, 3 motors, 4 ontologies, 41 input holes, 42 instrument connections, 43 delivery outlets, 5 outputs in the figure
Optical detector, 6 linkages, 61 connecting rods, 62 guide rails I, 63 blank framves I, 631 standard white plates I, 7 sample rack moving devices, 71
Guide rail II, 72 blank framves II, 721 standard white plates II, 73 specimen holders, 8 semi-transparent semi-reflecting lens, 9 input optical detectors, 10 light inlets
II, 11 sample to be tested insert ports, 12 light sources.
Specific implementation mode
1-15 is described further specific embodiment of the present utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, integration sphere light source system provided by the utility model, including light supply apparatus, integrating sphere device, linkage
6, sample rack moving device 7 and input light detection device；
The integrating sphere device includes ontology 4, and ontology 4 is internally provided with spherical hollow space, further includes being arranged on ontology 4
The input hole 41 of the connection external world and spherical hollow space is provided with the instrument connection 42 of sample and is equipped with the defeated of output optical detector 5
Portal 43；When integrating sphere device works normally, delivery outlet 43 is in topmost, when instrument connection 42 is in right end, connection input
The axis of the centre of sphere of hole 41 and spherical hollow space and the angle of horizontal plane are 5-80 °, preferably 10-30 °, the section of integrating sphere device
Schematic cross-sectional view is shown in Fig. 2 and Fig. 3；
The linkage 6 includes the guide rail I 62 of the transmission axis connection of motor 3 and motor 3, is fixed on guide rail I 62
Connecting rod 61 and be fixed in connecting rod 61 for blocking the barn door 65 of instrument connection 42, be provided on the guide rail I 62
Blank frame I 63 is equipped with standard white plate I 631 on blank frame I 63；
The sample rack moving device 7 includes the transmission of motor 3 and motor 3 between barn door 65 and instrument connection 42
The guide rail II 71 of axis connection and the blank frame II 72 being arranged on guide rail II 71 and specimen holder 73, the blank frame II 72 are installed
There is standard white plate II 721.
The standard white plate I 631 and standard white plate II 721 are and 4 matched arc of integrating sphere device ontology, arcwall face
Inner wall material it is identical as the inner wall material of integrating sphere device ontology 4, the material and product of standard white grillage I and standard white grillage II
The base material material of ball-dividing device is identical, and arcwall face inner wall constitutes complete spherical surface, such structure design with 4 inner wall of ontology
It can make in transmission measurement pattern, the distribution of 4 internal light of ontology is more uniform, helps to improve the accuracy of test, sees Fig. 4
And Fig. 5.
The input light detection device includes the input of semi-transparent semi-reflecting lens 8 and detection through the light of semi-transparent semi-reflecting lens 8
Optical detector 9.
The light supply apparatus includes light source, semi-transparent semi-reflecting lens and total reflection mirror, and the light that the light source is sent out passes through semi-transparent half
After anti-mirror, it is divided into two-beam, two-beam respectively enters input light detection device and input hole 41 under the action of total reflection mirror.
The outer surface of the ontology 4 is provided with the plane slided for standard white plate I 631, and the input hole 41 is located at above-mentioned
In plane, the groove slided for standard white plate I 631 is provided in the plane.
When integrating sphere device works normally, delivery outlet 43 is in topmost, when instrument connection 42 is in right end, input hole 41
Positioned at the left-half and non-face instrument connection of integrating sphere device, axis and the company of the centre of sphere of input hole 41 and spherical hollow space are connected
It is 5-80 ° to connect the angle between the axis of the centre of sphere of instrument connection 42 and spherical hollow space, preferably 10-30 °.
Preferably, the face that the centre of sphere of input hole 41, instrument connection 42 and spherical hollow space is constituted is horizontal plane, concrete structure signal
Figure is shown in Figure 12 and Figure 13；Or the face that the centre of sphere of input hole 41, instrument connection 42 and spherical hollow space is constituted is perpendicular to horizontal plane
Vertical plane, concrete structure schematic diagram are shown in Figure 14 and Figure 15.
When in reflectance test pattern, standard white plate I 631 does not block input hole 41, and barn door 65 blocks instrument connection
42, this time can enter the spherical hollow space of integrating sphere device from input hole 41, but penetrate the light of semi-transparent semi-reflecting lens 8 by shading
Plate 65 blocks, and the spherical hollow space of integrating sphere device cannot be entered by instrument connection 42；When in transmission measurement pattern, standard
Blank I 631 blocks input hole 41, and barn door 65 does not block instrument connection 42, this time cannot enter integrating sphere by input hole 41
The spherical hollow space of device can enter the spherical hollow space of integrating sphere device through the light of semi-transparent semi-reflecting lens 8 by instrument connection 42.
The utility model further includes controller, can be that either CPU is artificial or control in controller for microcontroller
Under, motor 3 is turned on and off, and is made under a variety of different test patterns, standard white plate I 631, barn door 65, standard white plate II
721 and sample be in suitable position, carry out the reflectivity or transmitance of test sample.
The aperture of the input hole 41 and instrument connection 42 is 5~8mm, and the excessive time that avoids being open is from input hole 41 and tests
Hole 42 leaks out, while avoiding influencing the input of light when too small openings, to further influence the accuracy of test result.
The material of the ontology 4 is aluminium, ceramics or copper.
The material coated on the inner wall of the spherical hollow space is magnesia or barium sulfate.
Further include shell, shell is equipped with the sample to be tested insert port 11 of counter sample frame mobile device 7, by will herein
Sample to be measured is put on specimen holder 73.
As is seen in figs 7-10, the test method of integration sphere light source system described in the utility model is to test the reflection of sample to be tested
Rate is shown in Fig. 7 and Fig. 8, including two steps, first carries out background testing, then carry out sample test：
A background testings：Start motor 3, so that standard white plate I 631 is not blocked input hole 41, barn door 65 blocks instrument connection
42, standard white plate II 721 is located at instrument connection 42, and the light that light supply apparatus is sent out enters the sheet of integrating sphere device by input hole 41
Body 4 is projected from delivery outlet 43, and the light intensity that output optical detector 5 detects is recorded as I1b；Barn door 65 is prevented through semi-transparent simultaneously
The light of semi-reflective mirror 8 enters the ontology 4 of integrating sphere device, the light intensity record that input light detection device detects by instrument connection 42
For I2b；Context parameter B=I is calculated1b/I2b；
B sample tests：Sample is placed in specimen holder 73, is started motor 3, so that sample is located at instrument connection 42, light supply apparatus
The light sent out enters the ontology 4 of integrating sphere device by input hole 41, is projected from delivery outlet 43, and output optical detector 5 detects
Light intensity be recorded as I1；The light intensity that input light detection device detects is recorded as I2b；The reflectivity R=of sample is calculated
(I1/I2)/B=(I1/I2)/(I1b/I2b)。
The test method of integration sphere light source system described in the utility model can also be the transmitance of test sample to be tested, such as scheme
Shown in 9 and Figure 10, including two steps, background testing is first carried out, then carry out sample test：
A background testings：Specimen holder 73 does not place sample, starts motor 3, standard white plate I 631 is made to be located at input hole 41,
Barn door 65 does not block instrument connection 42, and the light that light supply apparatus is sent out at this time cannot pass through the sheet that input hole 41 enters integrating sphere device
Body 4, specimen holder 73 are located at instrument connection 42, and the light that light supply apparatus is sent out enters the ontology 4 of integrating sphere device by instrument connection 42,
It is projected from delivery outlet 43, the light intensity that output optical detector 5, input light detection device detect is recorded as I respectively1b、I2b；It calculates
Obtain context parameter B=I1b/I2b；
B sample tests：Specimen holder 73 places sample, starts motor 3, sample is made to be located at instrument connection 42, light supply apparatus hair
The light gone out enters the ontology 4 of integrating sphere device by instrument connection 42, is projected from delivery outlet 43, the transmitance T of sample is calculated
=(I1/I2)/B=(I1/I2)/(I1b/I2b), I1、I2Respectively output optical detector 5 and input light detection device detects to obtain
Light intensity.
As shown in figure 11, with light beam after semi-transparent semi-reflecting lens 8, two beams are turned to, respectively under the action of speculum 2,
The integration sphere light source system for entering the utility model from light inlet I 1 and light inlet II 10, is tested.
The utility model only needs to start or close motor 3 and in due course insertion or takes out sample, enormously simplifies sample
The transmitance of product or the testing process of reflectivity and device, reduce the amplitude of fluctuation of device, reduce human operational error's
Possibility improves the accuracy of test data, substantially reduces detection time.
Claims (8)
1. a kind of integration sphere light source system, which is characterized in that moved including light supply apparatus, integrating sphere device, linkage (6), specimen holder
Dynamic device (7) and input light detection device；
The integrating sphere device includes ontology (4) and standard white plate I (631), and ontology (4) is internally provided with spherical hollow space, also wraps
It includes the input hole (41) for being connected to the external world and spherical hollow space being arranged on ontology (4), instrument connection (42) and output light is installed
The delivery outlet (43) of detector (5)；
The linkage (6) includes the guide rail I (62) of the transmission axis connection of motor (3) and motor (3), is fixed on guide rail I
(62) connecting rod (61) on and the barn door (65) for blocking instrument connection (42) are provided on the guide rail I (62) white
Grillage I (63) is equipped with standard white plate I (631) on blank frame I (63)；
When standard white plate I (631) blow-by input hole (41), barn door (65) blocks instrument connection (42), and light cannot be from the external world
Enter spherical hollow space across instrument connection (42)；When standard white plate I (631) seals input hole (41), barn door (65) does not block
Instrument connection (42), light pass through instrument connection (42) to enter spherical hollow space from the external world；
The sample rack moving device (7) is located between barn door (65) and instrument connection (42), including motor (3) and motor (3)
Transmission axis connection guide rail II (71) and blank frame II (72) and specimen holder (73) on guide rail II (71) is set, it is described
Blank frame II (72) is equipped with standard white plate II (721).
2. integration sphere light source system as described in claim 1, which is characterized in that the input light detection device includes semi-transparent semi-reflecting lens
(8) and detection through semi-transparent semi-reflecting lens (8) light input optical detector (9).
3. integration sphere light source system as described in claim 1, which is characterized in that the light supply apparatus includes light source, semi-transparent semi-reflecting lens
And total reflection mirror is divided into two-beam, effect of the two-beam in total reflection mirror after the light that the light source is sent out passes through semi-transparent semi-reflecting lens
Under respectively enter input light detection device and integrating sphere device.
4. integration sphere light source system as described in claim 1, which is characterized in that the outer surface of the ontology (4) is provided with for standard
The plane of blank I (631) sliding, the input hole (41) are located in above-mentioned plane.
5. integration sphere light source system as described in claim 1, which is characterized in that the aperture of the input hole (41) is 5~8mm.
6. integration sphere light source system as described in any one in claim 1-5, which is characterized in that the aperture of the instrument connection (42) is 5
~8mm.
7. integration sphere light source system as described in any one in claim 1-5, which is characterized in that the material of the ontology (4) is aluminium, pottery
Porcelain or copper.
8. integration sphere light source system as described in any one in claim 1-5, which is characterized in that coated on the inner wall of the spherical hollow space
Material be magnesia or barium sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699938.2U CN207908342U (en) | 2017-12-08 | 2017-12-08 | A kind of integration sphere light source system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699938.2U CN207908342U (en) | 2017-12-08 | 2017-12-08 | A kind of integration sphere light source system |
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| CN207908342U true CN207908342U (en) | 2018-09-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061707A (en) * | 2017-12-08 | 2018-05-22 | 湖南文理学院 | A kind of integration sphere light source system and test method |
| CN110056842A (en) * | 2019-06-06 | 2019-07-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of single star simulator and its light source |
-
2017
- 2017-12-08 CN CN201721699938.2U patent/CN207908342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061707A (en) * | 2017-12-08 | 2018-05-22 | 湖南文理学院 | A kind of integration sphere light source system and test method |
| CN110056842A (en) * | 2019-06-06 | 2019-07-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of single star simulator and its light source |
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